.comment{
  border: 1px solid black;
  width: 600px;
  }
.comment-title{
  border-bottom: 1px solid black;
  color : white;
  background: gray;
  font-family: Tahoma,Arial,sans-serif;
}

.book{
  width: 300px;
  border: 1px solid black;

}
.book-title{
  border-bottom: 1px solid black;
  color : white;
  background: gray;
  font-family: Tahoma,Arial,sans-serif;
}

pre {
}
